Solution One: Resolve Unknown Error 1 Problems By Yourself.

Solution One: How to Troubleshoot Unknown Error 1 Error On Your Own?

To fix Unknown Error 1 error safely and fast, we highly recommend you to do a free check with sfc utility.

1. To do this, click Start, type Command Prompt or cmd in the Search box, right-click Command Prompt, and then click Run as administrator. If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.

2. Follow the installation instruction and run SmartPCFixer.

3. Use SmartPCFixer to clean your computer registry first. Just as the picture below.

4. Click Start Scan and remove Unknown Error 1 error completely.

Suggestions:

Unknown Error 1 error can be a disaster for your PC. If Unknown Error 1 error cannot be troubleshooted in a effective way, you may received more severe computer problems. Therefore, for the sake of computer security and personal information, you need to get rid of Unknown Error 1 error as soon as possible with the guide in this post. SmartPCFixer can be your best choice to remove Unknown Error 1 error in time.